d970807e0c
The type rtc::scoped_refptr<T> is now part of api/. Please include it from api/scoped_refptr.h. More info: See: https://groups.google.com/forum/#!topic/discuss-webrtc/Mme2MSz4z4o. Bug: webrtc:9887, webrtc:8205 No-Try: True Change-Id: Ic6c7c81e226e59f12f7933e472f573ae097b55bf Reviewed-on: https://webrtc-review.googlesource.com/c/119041 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26414}
120 lines
4.3 KiB
C++
120 lines
4.3 KiB
C++
/*
|
|
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <algorithm>
|
|
#include <string>
|
|
|
|
#include "api/scoped_refptr.h"
|
|
#include "api/video/video_frame_buffer.h"
|
|
#include "rtc_tools/frame_analyzer/video_quality_analysis.h"
|
|
#include "rtc_tools/simple_command_line_parser.h"
|
|
#include "rtc_tools/video_file_reader.h"
|
|
|
|
void CompareFiles(
|
|
const rtc::scoped_refptr<webrtc::test::Video>& reference_video,
|
|
const rtc::scoped_refptr<webrtc::test::Video>& test_video,
|
|
const char* results_file_name) {
|
|
FILE* results_file = fopen(results_file_name, "w");
|
|
|
|
const size_t num_frames = std::min(reference_video->number_of_frames(),
|
|
test_video->number_of_frames());
|
|
for (size_t i = 0; i < num_frames; ++i) {
|
|
const rtc::scoped_refptr<webrtc::I420BufferInterface> ref_buffer =
|
|
reference_video->GetFrame(i);
|
|
const rtc::scoped_refptr<webrtc::I420BufferInterface> test_buffer =
|
|
test_video->GetFrame(i);
|
|
|
|
// Calculate the PSNR and SSIM.
|
|
double result_psnr = webrtc::test::Psnr(ref_buffer, test_buffer);
|
|
double result_ssim = webrtc::test::Ssim(ref_buffer, test_buffer);
|
|
fprintf(results_file, "Frame: %zu, PSNR: %f, SSIM: %f\n", i, result_psnr,
|
|
result_ssim);
|
|
}
|
|
|
|
fclose(results_file);
|
|
}
|
|
|
|
/*
|
|
* A tool running PSNR and SSIM analysis on two videos - a reference video and a
|
|
* test video. The two videos should be I420 Y4M videos.
|
|
* The tool just runs PSNR and SSIM on the corresponding frames in the test and
|
|
* the reference videos until either the first or the second video runs out of
|
|
* frames. The result is written in a results text file in the format:
|
|
* Frame: <frame_number>, PSNR: <psnr_value>, SSIM: <ssim_value>
|
|
* Frame: <frame_number>, ........
|
|
*
|
|
* The max value for PSNR is 48.0 (between equal frames), as for SSIM it is 1.0.
|
|
*
|
|
* Usage:
|
|
* psnr_ssim_analyzer --reference_file=<name_of_file> --test_file=<name_of_file>
|
|
* --results_file=<name_of_file>
|
|
*/
|
|
int main(int argc, char* argv[]) {
|
|
std::string program_name = argv[0];
|
|
std::string usage =
|
|
"Runs PSNR and SSIM on two I420 videos and write the"
|
|
"results in a file.\n"
|
|
"Example usage:\n" +
|
|
program_name +
|
|
" --reference_file=ref.yuv "
|
|
"--test_file=test.yuv --results_file=results.txt\n"
|
|
"Command line flags:\n"
|
|
" - reference_file(string): The reference YUV file to compare against."
|
|
" Default: ref.yuv\n"
|
|
" - test_file(string): The test YUV file to run the analysis for."
|
|
" Default: test_file.yuv\n"
|
|
" - results_file(string): The full name of the file where the results "
|
|
"will be written. Default: results.txt\n";
|
|
|
|
webrtc::test::CommandLineParser parser;
|
|
|
|
// Init the parser and set the usage message
|
|
parser.Init(argc, argv);
|
|
parser.SetUsageMessage(usage);
|
|
|
|
parser.SetFlag("results_file", "results.txt");
|
|
parser.SetFlag("reference_file", "ref.yuv");
|
|
parser.SetFlag("test_file", "test.yuv");
|
|
parser.SetFlag("results_file", "results.txt");
|
|
parser.SetFlag("help", "false");
|
|
|
|
parser.ProcessFlags();
|
|
if (parser.GetFlag("help") == "true") {
|
|
parser.PrintUsageMessage();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
parser.PrintEnteredFlags();
|
|
|
|
rtc::scoped_refptr<webrtc::test::Video> reference_video =
|
|
webrtc::test::OpenY4mFile(parser.GetFlag("reference_file"));
|
|
rtc::scoped_refptr<webrtc::test::Video> test_video =
|
|
webrtc::test::OpenY4mFile(parser.GetFlag("test_file"));
|
|
|
|
if (!reference_video || !test_video) {
|
|
fprintf(stderr, "Error opening video files\n");
|
|
return 0;
|
|
}
|
|
if (reference_video->width() != test_video->width() ||
|
|
reference_video->height() != test_video->height()) {
|
|
fprintf(stderr,
|
|
"Reference and test video files do not have same size: %dx%d "
|
|
"versus %dx%d\n",
|
|
reference_video->width(), reference_video->height(),
|
|
test_video->width(), test_video->height());
|
|
return 0;
|
|
}
|
|
|
|
CompareFiles(reference_video, test_video,
|
|
parser.GetFlag("results_file").c_str());
|
|
return 0;
|
|
}
|